Demountable vehicle-rim.



P. B. BOSWORTH.

DBMOUNTABLE VEHICLE RIM. APPLIOATON FILED JULY 5, 1911.

1,063,500. Patented June 3,1913.

UNITED sTATEs PATENT onirica'i PERCY B. IBOSWORTH, 0F AKRON, OHIO, ASSIGNOR TO THE FIRESTONE TIRE & RUBBER COMPANY, OF AKRON, OHIO, A CORPORATION OF OHIO.

DEMOUNTABLE VEHICLE-RIM.

Specification of Letters Patent.

Patented June 3, 1913.

Application filed Iu1y 5, 1911. Serial No. 637,030.

To all 'wh-0m t may concern:

Be it known that L'Pnnor B. BosWoR'iH, a citizen of the United States, residing at Akron, in the co-unty of Summit and Sta-te of Ohio, have invented certain new and useful Improvements in Demountable Vehicle Rims, of which the following is a specification.

My invention relates to a clamping meehanism `for holding demountable vehicle rims in position, and refers particularly to means for retaining the clamps in the posit-ions in which they may be placed.

The tire rim which is used in connection with my invention is ordinarily held in position o-n the folly rim by means of a V- shaped retaining ring, the latter being'secured in place by means 'f suitable clamps. lhen it is desired to demount the tire rim, the clamps are first freed from engagement with the retaining ring, the latter is next removed, and the tire rim may then readily be slid laterally from the felly rim. It has been found that diiiieulty is often encountered, first, in holding the clamps inthe correct position when they engage 'the retaining ring, and, second, in holding the clamps clear from the retaining ring when it is desired to remove the latter, as just described.

It is the object of my invention to provide means by which the clamps are always held in correct position 'with relation to the retaining ring after they are once adjusted, and means for positively preventing the clamps from turning and interfering with the retaining` ringV when it is desired to remove the same. lIn the preferred form ofmy invention I accomplish thedesired result by providing each clamp with a pin which ts in a suitable socket or depression in a clamp lock fastened to the side of the felly. It will be evident that thevr engagement of the pin of the clamp with the socket in the clamp lock will etfectually prevent the clamp from turning after it has been brought into contact with the retaining ring by means of the adjustment of a suitable nut or the like. On the other hand, a second depression substantially opposite to the socket above mentioned is provided in thel clamp lock so that when the clamp is removed from enga ement with the retaining ring the pin on t e clamp will engage this second depression and prevent the clamp its associated parts secured thereto; Fig. 2 .i

is an enlarged side elevation of a portion of the felly showing the tire rim and clamp in position; Fig. 3 1s a transverse section on the line 3 3 of Fig. 2; Fig. 4 is an elevation of a clamp lock; Fig. 5 is a rearelevation of a clamp, and, Fig. 6 is a side elevation of the clamp shown in Fig. 5.

To the felly 1() is secured the felly rim 11 in the Well known manner, thisfelly rim being engaged by the tire rim 12, having the oblquely disposed surface 13, which engages a corresponding surface 14 of the felly rim 11, and on the opposite side the oblique,

with the surface 1.6 of the folly rim. The bolts 17 pass transversely through the felly 10, each bolt having on one endthe clamping member 18, which engages one side of the telly rim 11. On its opposite'end the surface 15, which forms a V-shaped groove bolt 17l is threaded and passes through a suitable aperture in the clamp lock 19, which is fastened to the felly by screws 20. Each clamp lock 19 has a socket or aperture 21, and substantially opposite thereto a depres sion or second aperture 22, which is preferably somewhat elongated, as shown in Fig. 4. Placed in position on the bolt 17 and rotatable thereon is the clamp 23, the end 24 of which is adapted to e retaining ring 25'. On its opposite end the clamp 23 has a pin or project-ion 26, which engages the socket or-aperture 2l when the clamp 23 is in the position shown in fall lines in Figs. 2 and 3, the nut 27' being screwed home against the Washer 28, whic engages the clamp 23. It will be apparent that on account of the engagement of the pin 26 with the socketA 21 thehclamp 23 is eiectually prevented from rotating as long as the nut-27 holds it'in its adjusted posltion.

When it is desired to remove the retaining ring'25 for the purpose of demountin the tire rim 12, the vnut 27 is loosened, the c amp le the y apparent that the removal of the retaining engaging interitting projecting and recessed vadjustment is necessary in bringing the pin 23 is moved slightly to the right from the i position indicated in Fig. 3, and may then be rotated on the bolt 17 into the position shown in dottedlines in Fig. 2. The p in 26 will then engage the depression or aperture 22, and may be secured therein by slightly tightening the nut k.27. In this lway the clamp 23 is held in its inoperative position, and there is no danger of having it interfere with the reinov'al of the retaining ring 25. I preferptol make the depression or aperture 22 somewhat elongated, so that no careful 26 into said depression.

By means of my improvement it will be ring 25 maybe effected much more conveniently than has heretofore been the case, while at the same time after the clamps 23`are` placed in their operative positions there is no danger of having them rotate and become disengaged from the retaining ring 25.

It will be clear to those skilled in the art that many changes could be made in the detailed construction of the parts which I have described -without departing from the spirit or scope of my invention.

What I claim is:

1. A vehicle wheel having a demountable rim, and means for securing the same in place including a clamp locking plate secured to the Wheel, and a clamp movable toward and from the side of the wheel rim, said clamp and its locking plate having interitting Y projecting and recessed pori tions to prevent relative turning thereof.

2. A vehicle wheel having a demountable rim and means for securing the same in place includin a clamp locking plate secured to the W eel, and a clamp operatively associated therewith, said clamp and its locking plate having separable alternately portions to prevent relative turning thereof first when clamping the rim in place and secondwhen out of clamping position respecting the rim.

3. Ina vehiclewheel, the combination of a demountable rim, a rotatable clamp for rotating when rotated away from clamping relation to the demountable rim, substantially as described.

4. In a vehicle wheel, the combination with a felly, of a ldeniountable tire rim, a rotatable clamp'for Securing said rim in position on said felly, said clamp having a projection thereon adapted to engage any of a number/of suitable depressions associated with said felly, whereby said clamp is maintained in any one of a plurality of adjust-ed positions, substantially as described.

5. In a vehicle wheel, the combination of a fell a demountable tire rim, a retaining ring for holding said rim in position, a rotatable clamp adapted to engage said retaining ring, said clamp having a projection thereon, and a clamp lock between said clamp and said felly, said clamp lock hav-Y fthe projection on said clamp, W7 :reby the latter is prevented from rota. d when in an adjusted position, substantially as described.

6. In a vehicle wheel, the combination of a felly, a demountable tire rim, a retaining ring for holding said rim in position, a rotatable clamp adapted to engage said retaining ring, said clamp having a projection thereon, and a clamp lock between said clamp and said felly, said clamp lock having a plurality of depressions therein, whereby said clamp is prevented from rotatinor .when in any one of a plurality of adjust@ positions, substantially as described.

7. In a vehicle wheel, the combination of a felly, a demountable tire rim, a retaining ring for holding said tire rim in position, a clamp for engaging said retaining ring, said clamp having a projection thereon and a clamp lock between said clamp and said felly, said clamp lock having a pair of depressions adapted to be engaged by the proyjection on said clamp, one of said depressions adapted to prevent said clamp from disengagement with said retaining ring and the other of said depressions adapted to .maintain said cla'mp out of the path of said .retaining ring when the latter is removed, substantlally holding said rim in position, and a projec- 1 tion on the inner face of said clamp adapt; ed to engage a suitable depression in said Wheel, whereby said. clamp is prevented from as described.

PERCY B. BOSWORTH.

Witnesses:

E. M. HAHN, V. M. GREEK. 

